Engine arena run: completed
Paired contrast slot 0 minus slot 1: +0.141 wins per game over 64 seeds (95% interval +0.051 to +0.230).
- Planned
- 256
- Attempted
- 256
- Completed
- 256
- Incomplete
- 0
- Unplayed
- 0
Full retained record and provenance
Run e62b248e-ea38-4c6d-b1bb-0ce3ec935284
Status: completed. Experiment: 488ce26d-2aa8-4c46-a1bc-ee0f3a352be8. Tier: engine arena (paired seeds, deterministic tapes).
Planned: 256. Attempted: 256. Completed: 256. Incomplete: 0. Unplayed: 0.
| Slot / seat | Wins | Completed | Win rate | 95% Wilson interval | Mean points | Mean decision |
|---|---|---|---|---|---|---|
0 / v2:{"depth":2} | 122 | 256 | 47.7% | 41.6%–53.8% | 8.20 | 91.4 ms |
1 / v2:{"depth":2} | 86 | 256 | 33.6% | 28.1%–39.6% | 7.48 | 88.5 ms |
2 / eta | 16 | 256 | 6.2% | 3.9%–9.9% | 6.62 | 0.1 ms |
3 / eta | 32 | 256 | 12.5% | 9.0%–17.1% | 6.79 | 0.1 ms |
Paired contrast slot 0 minus slot 1: +0.141 wins per game over 64 seeds (95% interval +0.051 to +0.230).
Manifest SHA-256: 933c466ad423b9badfa199e2eff70f70732e0afb58ee6db619ce126328eb68cd. Inventory SHA-256: 1155c04191ead957d2f41318941092084ac91f948a39fe901ce9d49644b43b36.
Games were played offline by the engine arena with explicit seeds; every seed was played once per lineup rotation. Seats received only their own redacted observation and participant events. This tier supports development and diagnosis; it is not a protocol-arena confirmation.